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Finding the Fourth Proportional to 318,867.44, 440,057.00 and 175,627.44

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Solution

The fourth proportional to 318,867.44, 440,057.00 and 175,627.44 is: 242,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,867.44 : 440,057.00 = 175,627.44 : x
  2. Step 2: Convert to fraction form
    318,867.44/440,057.00 = 175,627.44/x
  3. Step 3: Cross multiply
    318,867.44x = 440,057.00 × 175,627.44
  4. Step 4: Simplify right side
    318,867.44x = 77,286,084,803.15
  5. Step 5: Solve for x
    x = 77,286,084,803.15/318,867.44
  6. Step 6: Final answer
    x = 242,376.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.